Coresight replicator:
o Add a header file; o Split-out FDT attachment to a separate file; o Add ACPI attachment. Sponsored by: DARPA, AFRL
This commit is contained in:
parent
3159ceca97
commit
72842e4697
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=362109
@ -41,25 +41,10 @@ __FBSDID("$FreeBSD$");
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#include <machine/bus.h>
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#include <machine/bus.h>
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#include <arm64/coresight/coresight.h>
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#include <arm64/coresight/coresight.h>
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#include <arm64/coresight/coresight_replicator.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#include "coresight_if.h"
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#include "coresight_if.h"
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#define REPLICATOR_IDFILTER0 0x00
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#define REPLICATOR_IDFILTER1 0x04
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static struct ofw_compat_data compat_data[] = {
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{ "arm,coresight-dynamic-replicator", 1 },
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{ NULL, 0 }
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};
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struct replicator_softc {
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struct resource *res;
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struct coresight_platform_data *pdata;
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};
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static struct resource_spec replicator_spec[] = {
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static struct resource_spec replicator_spec[] = {
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{ SYS_RES_MEMORY, 0, RF_ACTIVE },
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{ SYS_RES_MEMORY, 0, RF_ACTIVE },
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{ -1, 0 }
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{ -1, 0 }
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@ -110,21 +95,6 @@ replicator_disable(device_t dev, struct endpoint *endp,
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bus_write_4(sc->res, REPLICATOR_IDFILTER1, 0xff);
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bus_write_4(sc->res, REPLICATOR_IDFILTER1, 0xff);
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}
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}
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static int
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replicator_probe(device_t dev)
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{
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if (!ofw_bus_status_okay(dev))
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return (ENXIO);
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if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
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return (ENXIO);
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device_set_desc(dev, "Coresight Dynamic Replicator");
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return (BUS_PROBE_DEFAULT);
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}
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static int
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static int
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replicator_attach(device_t dev)
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replicator_attach(device_t dev)
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{
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{
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@ -149,7 +119,6 @@ replicator_attach(device_t dev)
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static device_method_t replicator_methods[] = {
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static device_method_t replicator_methods[] = {
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/* Device interface */
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/* Device interface */
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DEVMETHOD(device_probe, replicator_probe),
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DEVMETHOD(device_attach, replicator_attach),
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DEVMETHOD(device_attach, replicator_attach),
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/* Coresight interface */
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/* Coresight interface */
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@ -159,14 +128,5 @@ static device_method_t replicator_methods[] = {
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DEVMETHOD_END
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DEVMETHOD_END
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};
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};
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static driver_t replicator_driver = {
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DEFINE_CLASS_0(replicator, replicator_driver, replicator_methods,
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"replicator",
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sizeof(struct replicator_softc));
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replicator_methods,
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sizeof(struct replicator_softc),
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};
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static devclass_t replicator_devclass;
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DRIVER_MODULE(replicator, simplebus, replicator_driver, replicator_devclass,
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0, 0);
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MODULE_VERSION(replicator, 1);
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46
sys/arm64/coresight/coresight_replicator.h
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46
sys/arm64/coresight/coresight_replicator.h
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@ -0,0 +1,46 @@
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/*-
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* Copyright (c) 2020 Ruslan Bukin <br@bsdpad.com>
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* All rights reserved.
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*
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* This software was developed by SRI International and the University of
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* Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
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* ("CTSRD"), as part of the DARPA CRASH research programme.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _ARM64_CORESIGHT_CORESIGHT_REPLICATOR_H_
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#define _ARM64_CORESIGHT_CORESIGHT_REPLICATOR_H_
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#define REPLICATOR_IDFILTER0 0x00
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#define REPLICATOR_IDFILTER1 0x04
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DECLARE_CLASS(replicator_driver);
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struct replicator_softc {
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struct resource *res;
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struct coresight_platform_data *pdata;
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};
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#endif /* !_ARM64_CORESIGHT_CORESIGHT_REPLICATOR_H_ */
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81
sys/arm64/coresight/coresight_replicator_acpi.c
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81
sys/arm64/coresight/coresight_replicator_acpi.c
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@ -0,0 +1,81 @@
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Ruslan Bukin <br@bsdpad.com>
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*
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* This software was developed by SRI International and the University of
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* Cambridge Computer Laboratory (Department of Computer Science and
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* Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
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* DARPA SSITH research programme.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "opt_acpi.h"
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/memdesc.h>
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#include <sys/module.h>
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#include <sys/rman.h>
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#include <contrib/dev/acpica/include/acpi.h>
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#include <dev/acpica/acpivar.h>
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#include <arm64/coresight/coresight_replicator.h>
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static int
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replicator_acpi_probe(device_t dev)
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{
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static char *replicator_ids[] = { "ARMHC98D", NULL };
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int error;
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error = ACPI_ID_PROBE(device_get_parent(dev), dev,
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replicator_ids, NULL);
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if (error <= 0)
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device_set_desc(dev, "ARM Coresight Replicator");
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return (error);
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}
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static device_method_t replicator_acpi_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, replicator_acpi_probe),
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/* End */
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DEVMETHOD_END
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};
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DEFINE_CLASS_1(replicator, replicator_acpi_driver, replicator_acpi_methods,
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sizeof(struct replicator_softc), replicator_driver);
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static devclass_t replicator_acpi_devclass;
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EARLY_DRIVER_MODULE(replicator, acpi, replicator_acpi_driver,
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replicator_acpi_devclass, 0, 0,
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BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE);
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83
sys/arm64/coresight/coresight_replicator_fdt.c
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83
sys/arm64/coresight/coresight_replicator_fdt.c
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@ -0,0 +1,83 @@
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/*-
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* Copyright (c) 2018-2020 Ruslan Bukin <br@bsdpad.com>
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* All rights reserved.
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*
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* This software was developed by BAE Systems, the University of Cambridge
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* Computer Laboratory, and Memorial University under DARPA/AFRL contract
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* FA8650-15-C-7558 ("CADETS"), as part of the DARPA Transparent Computing
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* (TC) research program.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <machine/bus.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#include <arm64/coresight/coresight.h>
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#include <arm64/coresight/coresight_replicator.h>
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#include "coresight_if.h"
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static struct ofw_compat_data compat_data[] = {
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{ "arm,coresight-dynamic-replicator", 1 },
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{ NULL, 0 }
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};
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static int
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replicator_fdt_probe(device_t dev)
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{
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if (!ofw_bus_status_okay(dev))
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return (ENXIO);
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if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
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return (ENXIO);
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device_set_desc(dev, "ARM Coresight Replicator");
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return (BUS_PROBE_DEFAULT);
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}
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static device_method_t replicator_fdt_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, replicator_fdt_probe),
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DEVMETHOD_END
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};
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DEFINE_CLASS_1(replicator, replicator_fdt_driver, replicator_fdt_methods,
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sizeof(struct replicator_softc), replicator_driver);
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static devclass_t replicator_fdt_devclass;
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EARLY_DRIVER_MODULE(replicator, simplebus, replicator_fdt_driver,
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replicator_fdt_devclass, 0, 0,
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BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE);
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@ -189,13 +189,15 @@ arm64/coresight/coresight.c standard
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arm64/coresight/coresight_if.m standard
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arm64/coresight/coresight_if.m standard
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arm64/coresight/coresight_cmd.c standard
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arm64/coresight/coresight_cmd.c standard
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arm64/coresight/coresight_cpu_debug.c standard
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arm64/coresight/coresight_cpu_debug.c standard
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arm64/coresight/coresight_replicator.c standard
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arm64/coresight/coresight_etm4x.c standard
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arm64/coresight/coresight_etm4x.c standard
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arm64/coresight/coresight_etm4x_acpi.c optional acpi
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arm64/coresight/coresight_etm4x_acpi.c optional acpi
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arm64/coresight/coresight_etm4x_fdt.c optional fdt
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arm64/coresight/coresight_etm4x_fdt.c optional fdt
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arm64/coresight/coresight_funnel.c standard
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arm64/coresight/coresight_funnel.c standard
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arm64/coresight/coresight_funnel_acpi.c optional acpi
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arm64/coresight/coresight_funnel_acpi.c optional acpi
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arm64/coresight/coresight_funnel_fdt.c optional fdt
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arm64/coresight/coresight_funnel_fdt.c optional fdt
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arm64/coresight/coresight_replicator.c standard
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arm64/coresight/coresight_replicator_acpi.c optional acpi
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arm64/coresight/coresight_replicator_fdt.c optional fdt
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arm64/coresight/coresight_tmc.c standard
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arm64/coresight/coresight_tmc.c standard
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arm64/coresight/coresight_tmc_acpi.c optional acpi
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arm64/coresight/coresight_tmc_acpi.c optional acpi
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arm64/coresight/coresight_tmc_fdt.c optional fdt
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arm64/coresight/coresight_tmc_fdt.c optional fdt
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